From 7babdf719ca5641b8ad7ea1421c342d6cfcc427a Mon Sep 17 00:00:00 2001
From: Tarek Oraby <42799254+tarekoraby@users.noreply.github.com>
Date: Wed, 26 Aug 2020 17:31:58 +0300
Subject: Add API to detect if GridMultiSelect select-all checkbox is checked
 (#12086)

---
 .../com/vaadin/ui/components/grid/GridMultiSelect.java     | 14 ++++++++++++++
 .../com/vaadin/ui/components/grid/MultiSelectionModel.java | 12 ++++++++++++
 .../vaadin/ui/components/grid/MultiSelectionModelImpl.java | 10 +---------
 3 files changed, 27 insertions(+), 9 deletions(-)

(limited to 'server')

diff --git a/server/src/main/java/com/vaadin/ui/components/grid/GridMultiSelect.java b/server/src/main/java/com/vaadin/ui/components/grid/GridMultiSelect.java
index 2e98230a6f..e376f72711 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/GridMultiSelect.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/GridMultiSelect.java
@@ -187,6 +187,20 @@ public class GridMultiSelect<T> implements MultiSelect<T> {
         model.setUserSelectionAllowed(allowed);
     }
 
+    /**
+     * Returns whether all items are selected or not.
+     * <p>
+     * This is only {@code true} if user has selected all rows with the select
+     * all checkbox on client side, or if {@link #selectAll()} has been used
+     * from server side.
+     *
+     * @return {@code true} if all selected, {@code false} if not
+     * @since 8.12.0
+     */
+    public boolean isAllSelected() {
+        return model.isAllSelected();
+    }
+
     /**
      * Checks if the user is allowed to change the selection.
      * <p>
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModel.java b/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModel.java
index 305a4fbaf9..35f948ca46 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModel.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModel.java
@@ -135,4 +135,16 @@ public interface MultiSelectionModel<T>
      * @see #setSelectAllCheckBoxVisibility(SelectAllCheckBoxVisibility)
      */
     public boolean isSelectAllCheckBoxVisible();
+
+    /**
+     * Returns whether all items are selected or not.
+     * <p>
+     * This is only {@code true} if user has selected all rows with the select
+     * all checkbox on client side, or if {@link #selectAll()} has been used
+     * from server side.
+     *
+     * @return {@code true} if all selected, {@code false} if not
+     * @since 8.12.0
+     */
+    boolean isAllSelected();
 }
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModelImpl.java b/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModelImpl.java
index 0ef1d1a5f7..7d8c6d7d85 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModelImpl.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/MultiSelectionModelImpl.java
@@ -131,15 +131,7 @@ public class MultiSelectionModelImpl<T> extends AbstractSelectionModel<T>
         return getState(false).selectAllCheckBoxVisible;
     }
 
-    /**
-     * Returns whether all items are selected or not.
-     * <p>
-     * This is only {@code true} if user has selected all rows with the select
-     * all checkbox on client side, or if {@link #selectAll()} has been used
-     * from server side.
-     *
-     * @return {@code true} if all selected, {@code false} if not
-     */
+    @Override
     public boolean isAllSelected() {
         return getState(false).allSelected;
     }
-- 
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